Index: src/AsynDriverInterface.cc
===================================================================
RCS file: /cvs/G/DRV/StreamDevice2/src/AsynDriverInterface.cc,v
retrieving revision 1.22
retrieving revision 1.23
diff -c -r1.22 -r1.23
*** src/AsynDriverInterface.cc	30 Aug 2012 13:39:05 -0000	1.22
--- src/AsynDriverInterface.cc	8 Nov 2012 09:27:21 -0000	1.23
***************
*** 618,626 ****
      asynStatus status;
      size_t written = 0;
  
      // discard any early input, but forward it to potential async records
      // thus do not use pasynOctet->flush()
-     pasynUser->timeout = 0;
      do {
          char buffer [256];
          size_t received = sizeof(buffer);
--- 618,629 ----
      asynStatus status;
      size_t written = 0;
  
+     pasynUser->timeout = 0;
+     if (pasynGpib)
+          pasynOctet->flush(pvtOctet, pasynUser);
+     else
      // discard any early input, but forward it to potential async records
      // thus do not use pasynOctet->flush()
      do {
          char buffer [256];
          size_t received = sizeof(buffer);